>> the public wants to access particular information about

your house or neighborhood we point them to gis. gis is a combination of maps and data. not a graphic you see on a screen. you get the traffic for the streets the number of crimes for a police district in a period of time. if the idea of combining the different layerce of information and stacking them on top of each other to present to the public. >> other types of gis are web based mapping systems. like google earth, yahoo maps. microsoft. those are examples of on line mapping systems that can be used to find businesses or get driving directions or check on traffic conditions. all digital maps. >> gis is used in the city of san francisco to better support

what departments do. >> you imagine all the various elements of a city including parcels and the critical infrastructure where the storm drains are. the city access like the traffic lights and fire hydrants. anything you is represent in a geo graphic space with be stored for retrieval and analysis. >> the department of public works they maintain what goes on in the right-of-way, looking to dig up the streets to put in a pipe. with the permit. with mapping you click on the map, click on the street and up will come up the nchgz that will help them make a decision. currently available is sf parcel

the assessor's application. you can go to the assessor's website and bring up a map of san francisco you can search by address and get information about any place in san francisco. you can search by address and find incidents of crime in san francisco in the last 90 days. we have [inaudible] which allows you to click on a map and get nchldz like your supervisor or who your supervisor is. the nearest public facility. and through the sf applications we support from the mayor's office of neighborhood services. you can drill down in the neighborhood and get where the newest hospital or police or fire station. >> we are positive about gis

not only people access it in the office but from home because we use the internet. what we used to do was carry the large maps and it took a long time to find the information. >> it saves the city time and money. you are not taking up the time of a particular employee at the assessor's office. you might be doing things more efficient. >> they have it ready to go and say, this is what i want. >> they are finding the same things happening on the phone where people call in and ask, how do i find this information? we say, go to this website and they go and get the information easily. >> a picture tells a thousand stories. some say a map